火山岩熔融,结晶,淬火实验及其岩石学意义
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高等学校博士学科点专项科研基金(9249114)


Melting, Crystallization, Quenching Experiments of Volcanic Rocks and Their Petrological Significance
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    摘要:

    本文对我国福建,江西,河南等地某些典型玄武岩和部分安山岩以及意大利威苏维火山的白响岩质碱玄岩进行了实验研究,其中包括熔融,结晶,淬火实验。根据实验结果,分析了熔浆成分对首晶矿物的影响,阐明了晶体形态与结晶温度,生长速度及成核密度的关系,研究了斜长石,白榴石的晶出及其矿物学,岩石学意义,论述了橄榄石,辉石的成分特生上春晶出后熔浆成分的演化趋势,讨论了单斜辉石的淬火效应与压力效应。

    Abstract:

    Melting, crystallization and quenching experiments were conducted on some typical basaltand andesite samples from Fujian, Jiangxi and Henan as well as columbrecitic tephrite samplesfrom Vesuvius of Italy. According to results of the experiments, the present paper has analysedthe effects of magmatic melt composition on initially-crystallized minerals, illustrated therelationship of crystallization temperature, growth speed and nucleus formation density tocrystal form, studied crystallization features of plagioclase and leucite as well as theirmineralogical and petrological significance, dealt with compositional characteristics of olivineand pyroxene as well as the evolutional trend of magmatic melt composition after theircrystallization and, finally, probed into the quenching effects and pressure effects ofclinopyroxene.

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周珣若,白志民, 1996. 火山岩熔融,结晶,淬火实验及其岩石学意义[J]. 岩石矿物学杂志, 15(2):97~109.
Zhou Xunruo, Bai Zhimin, 1996. Melting, Crystallization, Quenching Experiments of Volcanic Rocks and Their Petrological Significance[J]. Acta Petrologica et Mineralogica, 15(2): 97~109.

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